| abstract |
An electronic device including a communication interface, a display and a processor, the processor is configured to: based on receiving content from a source device through the communication interface, obtain feature information of the received content, and send the obtained feature information to an external server; receiving identification information of the content from an external server, the identification information is obtained based on the transmitted feature information; based on a predetermined mode of turning on the display according to a signal received from the source device through the communication interface, obtaining the first information about a point in time; information about a second point in time when the predetermined mode is turned off after the first point in time is obtained based on the predetermined mode of turning off the display. |